This entry lacks an overview, information box, and overview image. Please supplement relevant content to make the entry more complete and quickly upgrade. Come on!
Table of Contents
- 1 Introduction
- 2 Level 4 Commissioning and Testing Configuration Table
- 3 Application Materials
Introduction
On December 1, 2017, the National Energy Administration made corresponding adjustments to the qualification equipment for electric power commissioning and testing. The qualification equipment for commissioning and testing is the same in each province and region, while some equipment that is not commonly used in actual work by electric power enterprises has been omitted. Obtaining the Level 4 commissioning and testing qualification allows for installation, maintenance, or testing activities on electric power facilities with voltage levels below 35 kV. [
Level 4 commissioning and testing equipment includes series resonance, power frequency withstand voltage test devices, DC high voltage generators, induced withstand voltage test devices, dielectric loss testers, loop resistance testers, and transformer ratio testers.
Article 17: Those who obtain the Level 4 commissioning and testing category license for installation (repair, testing) of electric power facilities can engage in testing activities on electric power facilities with voltage levels below 35 kV. Applicants shall meet the following conditions:
(1) Legal person qualification and a sound organizational structure;
(2) Net assets of more than 6 million yuan;
(3) The technical director and safety director shall have more than 3 years of experience in managing electric power facility testing work and hold junior or above technical qualifications in electric power-related majors;
(4) More than 10 professional technical and economic management personnel, including more than 4 engineering and technical personnel in electric power-related majors;
(5) More than 6 electricians holding grid entry operation permits, including more than 2 high-voltage electricians and more than 3 special electricians;
(6) A sound and effective safety production organization and system, conducting safety training in accordance with the law, with more than 1 safety management personnel;
(7) A fixed business site with a total area of more than 400 square meters, various professional laboratories, and testing equipment for electric power facilities with voltage levels above 35 kV;
(8) A sound technical archives management system.
Level 4 Commissioning and Testing Configuration Table
[3]
| No. | Equipment Name | Model | Specification | Unit | Quantity |
| I | High Voltage Generation Equipment | ||||
| 1 | DC High Voltage Generator | ZGF-120kV/2mA | DC: 120kV/2mA | Set | 1 |
| 2 | Power Frequency Withstand Voltage Test Device | YDJ-30kVA/50kV | AC: 30kVA/50kV | Set | 1 |
| YDJ-10kVA/50kV | AC: 6kVA-10kVA/50kV | Set | 1 | ||
| 3 | Variable Frequency Series Resonance Test Device | HTXZ-75kVA/75kV | 75kVA/75kV/1A 30～300Hz | Set | 1 |
| 4 | Induced Withstand Voltage Test Device | SBF-5kVA/500V | 5kVA/360V 150Hz | Set | 1 |
| II | Electrical Measuring Instruments | ||||
| 1 | High Voltage Dielectric Loss Tester | HTJS-V | 1. Dielectric measurement accuracy: 1% 2. Capacitance accuracy: 0.5% 3. Anti-interference frequency conversion | Unit | 1 |
| 2 | Three-Phase Relay Protection Tester | HT-1200 | Three-phase voltage and current, 2 groups each | Unit | 1 |
| 3 | Loop Resistance Tester | HTHL-100A | DC: ≥100A | Unit | 1 |
| 4 | Transformer Volt-Ampere Characteristic Tester | HTFA-103 | 500V/5A | Unit | 1 |
| 5 | Ground Resistance Tester | HT2571 | Unit | 1 | |
| 6 | Transformer DC Resistance Tester | HTZZ-10A | DC: ≥10A | Unit | 1 |
| 7 | Transformer Ratio Tester | HTBC-H | Digital, Class 0.5 | Unit | 1 |
| 8 | Circuit Breaker Characteristic Tester | HTGK-III | Unit | 1 | |
| 9 | Insulation Resistance Tester | GM-5kV | DC: 0～5000V 200G(Ω) Short-circuit current ≥3mA | Unit | 1 |
| III | Common Instruments and Meters | ||||
| 1 | Megohmmeter | HT2671 | DC: 2500V | Piece | 1 |
| 2 | Megohmmeter | HT2670 | DC: 500V | Piece | 1 |
| 3 | Digital Dual-Clamp Phase-Volt-Ampere Meter | SMG2000B | Measurement current 1mA～5A | Piece | 1 |
